with mr. obama on the campaign trail governor romney is sharpening the contrast with the president who is best to bring back prosperity for the nation. >> do you want the four more years like the last four years? >> no!. >> you want four more years where 23 million americans are struggling to have a good job? >> no!. >> you want four more years where earnings are going down every year? >> no!. >> you want four more years of trillion dollar deficits in washington? >> no!. >> reporter: governor romney drawing the sharp contrasts with government. do you want bigger government with stifling regulations or smaller leaner government to help the private sector to grow and create jobs. he dinged the president in a new ad today suggesting somewhere down the road he may appoint a secretary of business, watch. >> barack obama says he may appoint a secretary of business. his solution to everything is add another bureaucrat. why not have a president who actually understands business? >> reporter: now, as t